Home / 21,475.38-32,213.79-15,263.22

Finding the Fourth Proportional to 21,475.38, 32,213.79 and 15,263.22

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Solution

The fourth proportional to 21,475.38, 32,213.79 and 15,263.22 is: 22,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,475.38 : 32,213.79 = 15,263.22 : x
  2. Step 2: Convert to fraction form
    21,475.38/32,213.79 = 15,263.22/x
  3. Step 3: Cross multiply
    21,475.38x = 32,213.79 × 15,263.22
  4. Step 4: Simplify right side
    21,475.38x = 491,686,163.80
  5. Step 5: Solve for x
    x = 491,686,163.80/21,475.38
  6. Step 6: Final answer
    x = 22,895.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.